import java.io.File;
import java.util.Scanner;

public class Demo15 {
    //递归目录的方法
    private static void scan(File currentFile, String key) {
        if(!currentFile.isDirectory()){
            return;
        }
        File[] files = currentFile.listFiles();
        if(files == null || files.length == 0){
            return;
        }
        for(File f : files){
            if(f.isFile()){
                doDelete(f,key);
            }else {
                scan(f,key);
            }
        }
    }

    private static void doDelete(File f, String key){
        if(!f.getName().contains(key)){
            return;
        }
        Scanner scanner = new Scanner(System.in);
        System.out.println(f.getAbsolutePath()+"是否确定要删除 Y/N");
        String choice = scanner.next();
        if(choice.equals("Y") || choice.equals("y")) {
            f.delete();
        }
    }


    public static void main(String[] args) {
        System.out.println("请输入要搜索的路径：");
        Scanner scanner = new Scanner(System.in);
        String rootPath = scanner.next();
        File rootFile = new File(rootPath);
        if(!rootFile.isDirectory()){
            System.out.println("输入的路径不存在");
            return;
        }
        System.out.println("请输入要删除的文件名字的关键字：");
        String key = scanner.next();

        //进行递归查找
        scan(rootFile,key);
    }
}
